(8) Perform such other functions and duties as maybe provided by law, or as may be necessary, or proper or incidental to its power and its functions. Chapter 6 Land Transportation Franchising and Regulatory Board (LTFRB) - ARMM SEC. 17. Land Transportation Franchising and Regulatory Board (LTFRB). – The quasi-judicial powers and functions with respect to land transportation shall be exercised through the Land Transportation Franchising and Regulatory Board, hereinafter referred to as the “Board.” SEC. 18. Powers and Functions of the Board. - The Board shall have the following powers and functions: (1) Prescribe and regulate routes, economically viable capacities, and zones or areas of operation of public land transportation services provided by motorized vehicles within the ARMM, consistent with the national public land transportation development policies and plans; provided that the ARG and the LTFRB/DOTC shall coordinate with regard to the establishment and regulation of inter-regional routes, zones or areas of operation that pass through, include or involve the territory of the ARMM; (2) Issue, amend, or revise Certificates of Public Convenience (CPC) or permits authorizing the operation of public land transportation services provided by motorized vehicles exclusively within the ARMM, prescribe the appropriate terms and conditions therefore, and for cause, suspend, cancel or revoke the same; provided that jurisdiction over public utility vehicles with inter-regional CPC‟s or permits, that ply routes within the ARMM shall remain exclusively with the LTFRB; (3) Determine, prescribe, approve and periodically review and adjust reasonable fares, rates and other related charges, relative to the operation of public land transportation services provided by motorized vehicles exclusively within the ARMM; (4) Issue preliminary or permanent injunction, whether prohibitory or mandatory, in all cases within its jurisdiction in which cases the pertinent provisions of the Rules of Court shall apply; (5) Punish for contempt, both direct and indirect in accordance with the pertinent provisions of, and the penalties prescribed by the Rule of Court; (6) Issue subpoenas and subpoena duces tecum and summon witnesses to appear in any proceedings of the appropriate office in the ARG, to administer oaths and affirmations, and in appropriate cases, to order the search and seizure of all vehicles and documents, upon probable cause and as may be necessary for the proper disposition of the case before it; (7) Conduct investigations and hearings of complaints for violation of the public service laws on land transportation and of the rules and regulations, orders decisions or 177